ELI5: Explain Like I'm 5

Albert Graham Ingalls

Albert Graham Ingalls was a man who lived a long time ago. He was born in the year 1871 and he died in 1950. He was a very smart man and he did many things in his life that made people remember him.

One of the things that Albert Graham Ingalls did was write books. He wrote a lot of books about space and the planets. You know how we see the moon in the sky at night? Well, Albert Graham Ingalls knew a lot about the moon and he wrote a book about it. He also knew a lot about the sun and the stars and he wrote books about those too.

Albert Graham Ingalls was also very good at math. Do you like math? It's when we do things like add and subtract numbers. Albert Graham Ingalls was so good at math that he helped other people figure out how to do hard math problems. They would come to him and say, "I don't know how to solve this problem," and he would help them figure it out.

Another thing that Albert Graham Ingalls did was work for the government. The government is a group of people who make rules and help keep our country safe. Albert Graham Ingalls helped the government by doing things like measuring how fast the wind was blowing and how much rain was falling. This helped people know if there was going to be a big storm and if they needed to be prepared for it.

Even though Albert Graham Ingalls lived a long time ago, people still remember him today because of all the things he did. He was a writer, a mathematician, and he helped the government. He was a very smart man and did a lot of important things.